Mark Alan Knight is a British video game music composer and sound designer, Chiptune composer, and electric violinist. He started out writing chiptune and module file music in the Amiga Demoscene, and began his games industry career as a composer in 1992. He continued until 2000 when he moved to sound design, and since 2014 has a split role as a sound designer and composer.

Harry Romero, better known as Harry "Choo Choo" Romero, is an American DJ and record producer. He is linked with the label Subliminal with Erick Morillo and Jose Nunez, with whom he also produced and remixed several tracks, as 'Constipated Monkeys', 'The Dronez' or 'Ministers De La Funk'. The trio won the Muzik Magazine Remixer of the Year award in 1999. When working alone, he also uses the pseudonyms 'HCCR' and 'Mongobonix'. Romero owns a sub label of Subliminal called Bambossa, in which he has released six tracks, including "Tania", "What Happened", "Son of Mongo" and "Warped".Romero has mixed several of the Subliminal Sessions series of mix albums, blending releases from the Subliminal stable with other current house tracks. His latest release was a remix of a Nick & Danny Chatelain track called "Me Resuelve". He continues to play at Subliminal session parties worldwide, including those in Pacha, Ibiza. In 2007, he set up a four date residency throughout the year at the SE1 club in London, with the last party taking place on 10 October that year.Romero has had two appearances under his own name in the UK Singles Chart, with "Just Can't Get Enough" and "I Want Out".